/*
 * Licensed to ObjectStyle LLC under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ObjectStyle LLC licenses
 * this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package io.bootique.di.spi;

import io.bootique.di.DecoratorBuilder;
import io.bootique.di.Key;

class DefaultDecoratorBuilder<T> implements DecoratorBuilder<T> {

    private final Key<T> bindingKey;
    private final DefaultInjector injector;

    DefaultDecoratorBuilder(Key<T> bindingKey, DefaultInjector injector) {
        this.bindingKey = bindingKey;
        this.injector = injector;
    }

    @Override
    public DecoratorBuilder<T> after(Class<? extends T> decoratorImplementationType) {
        injector.putDecorationAfter(bindingKey, decoratorProvider(decoratorImplementationType));
        return this;
    }

    @Override
    public DecoratorBuilder<T> before(Class<? extends T> decoratorImplementationType) {
        injector.putDecorationBefore(bindingKey, decoratorProvider(decoratorImplementationType));
        return this;
    }

    private DecoratorProvider<T> decoratorProvider(Class<? extends T> decoratorType) {
        DecoratorProvider<T> provider0 = new ConstructorInjectingDecoratorProvider<>(decoratorType, injector);
        DecoratorProvider<T> provider1 = new FieldInjectingDecoratorProvider<>(decoratorType, provider0, injector);
        return provider1;
    }

}
